67 lines
No EOL
2.1 KiB
EmacsLisp
67 lines
No EOL
2.1 KiB
EmacsLisp
;;; ldg-xact.el --- Helper code for use with the "ledger" command-line tool
|
|
|
|
;; Copyright (C) 2003-2013 John Wiegley (johnw AT gnu DOT org)
|
|
|
|
;; This file is not part of GNU Emacs.
|
|
|
|
;; This is free software; you can redistribute it and/or modify it under
|
|
;; the terms of the GNU General Public License as published by the Free
|
|
;; Software Foundation; either version 2, or (at your option) any later
|
|
;; version.
|
|
;;
|
|
;; This is distributed in the hope that it will be useful, but WITHOUT
|
|
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
;; for more details.
|
|
;;
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with GNU Emacs; see the file COPYING. If not, write to the
|
|
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
|
;; MA 02111-1307, USA.
|
|
|
|
;; A sample entry sorting function, which works if entry dates are of
|
|
;; the form YYYY/mm/dd.
|
|
|
|
(defcustom ledger-highlight-xact-under-point t
|
|
"If t highlight xact under point"
|
|
:type 'boolean
|
|
:group 'ledger)
|
|
|
|
|
|
|
|
(defvar highlight-overlay (list))
|
|
|
|
(defun ledger-find-xact-extents (pos)
|
|
"return point for beginning of xact and and of xact containing
|
|
position. Requires empty line separating xacts"
|
|
(interactive "d")
|
|
(save-excursion
|
|
(goto-char pos)
|
|
(let ((end-pos pos)
|
|
(beg-pos pos))
|
|
(backward-paragraph)
|
|
(forward-line)
|
|
(beginning-of-line)
|
|
(setq beg-pos (point))
|
|
(forward-paragraph)
|
|
(forward-line -1)
|
|
(end-of-line)
|
|
(setq end-pos (1+ (point)))
|
|
(list beg-pos end-pos))))
|
|
|
|
|
|
(defun ledger-highlight-xact-under-point ()
|
|
(if ledger-highlight-xact-under-point
|
|
(let ((exts (ledger-find-xact-extents (point)))
|
|
(ovl highlight-overlay))
|
|
(if (not highlight-overlay)
|
|
(setq ovl
|
|
(setq highlight-overlay
|
|
(make-overlay (car exts)
|
|
(cadr exts)
|
|
(current-buffer) t nil)))
|
|
(move-overlay ovl (car exts) (cadr exts)))
|
|
(overlay-put ovl 'face 'ledger-font-highlight-face)
|
|
(overlay-put ovl 'priority 100))))
|
|
|
|
(provide 'ldg-xact) |